78571428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503663}}^1$

素因数の和:503683

約数の個数: 24

約数和(自身を含む): 197436288

約数和(自身を除く): 118864860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 503663, 1007326, 1510989, 2014652, 3021978, 6043956, 6547619, 13095238, 19642857, 26190476, 39285714, 78571428]

約数ペア:

[(1, 78571428), (2, 39285714), (3, 26190476), (4, 19642857), (6, 13095238), (12, 6547619), (13, 6043956), (26, 3021978), (39, 2014652), (52, 1510989), (78, 1007326), (156, 503663)]